In which of the following processes is iron being oxidized?
1 Fe + H2SO4 → FeSO4 +H2
2 FeSO4 + H2S → FeS + H2SO4
3 2FeCI2 + Cl2 → 2FeCl3
4 2FeCl3 + SnCl2 + → 2FeCl2 + SnCl4
In which of the following processes is iron being oxidized?
1 Fe + H2SO4 → FeSO4 +H2
2 FeSO4 + H2S → FeS + H2SO4
3 2FeCI2 + Cl2 → 2FeCl3
4 2FeCl3 + SnCl2 + → 2FeCl2 + SnCl4